243551341 has 6 divisors (see below), whose sum is σ = 267705326. Its totient is φ = 221410200.

The previous prime is 243551327. The next prime is 243551359. The reversal of 243551341 is 143155342.

It can be written as a sum of positive squares in only one way, i.e., 208918116 + 34633225 = 14454^2 + 5885^2 .

It is not a de Polignac number, because 243551341 - 2¹³ = 243543149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243551311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1006290 + ... + 1006531.

Almost surely, 2^243551341 is an apocalyptic number.

It is an amenable number.

243551341 is a deficient number, since it is larger than the sum of its proper divisors (24153985).

243551341 is a wasteful number, since it uses less digits than its factorization.

243551341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012843 (or 2012832 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 243551341 is about 15606.1315193740. The cubic root of 243551341 is about 624.4967391945.

The spelling of 243551341 in words is "two hundred forty-three million, five hundred fifty-one thousand, three hundred forty-one".